Re: RFR: JDK-8306441: Two phase segmented heap dump [v17]

2023-07-15 Thread Kevin Walls
On Wed, 12 Jul 2023 07:58:47 GMT, Yi Yang wrote: >> ### Motivation and proposal >> Hi, heap dump brings about pauses for application's execution(STW), this is >> a well-known pain. JDK-8252842 have added parallel support to heapdump in an >> attempt to alleviate this issue. However, all concurr

Re: RFR: JDK-8306441: Two phase segmented heap dump [v17]

2023-07-15 Thread David Holmes
On Wed, 12 Jul 2023 07:58:47 GMT, Yi Yang wrote: >> ### Motivation and proposal >> Hi, heap dump brings about pauses for application's execution(STW), this is >> a well-known pain. JDK-8252842 have added parallel support to heapdump in an >> attempt to alleviate this issue. However, all concurr

Re: RFR: JDK-8306441: Two phase segmented heap dump [v14]

2023-07-15 Thread Thomas Stuefe
On Mon, 10 Jul 2023 06:07:35 GMT, Yi Yang wrote: >>> Hi @alexmenkov, >>> >>> > It restricts use of parallel dumping only to attach case. >>> >>> I'm not sure what you mean. Using handshake won't limit it to only attach >>> cases; it can also be used in other cases like HeapDumpBeforeFullGC. Th